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ASTM B763-08a

Standard Specification for Copper Alloy Sand Castings for Valve Applications (Includes all amendments And changes 5/25/2012).

Automaticky preložený názov:

Štandardné špecifikácie pre zliatiny medi odliatky pre ventil aplikácie

NORMA vydaná dňa 1.10.2008

Jazyk
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Informácie o norme:

Označenie normy: ASTM B763-08a
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2008
Kód tovaru: NS-8010
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Anotácia textu normy ASTM B763-08a :

Keywords:

copper alloy castings, copper-base alloy castings, valve castings, UNS C86500 (cast manganese bronze), UNS C90300 (cast tin bronze), UNS C86700 (cast leaded manganese bronze), UNS C87400 (cast silicon brass), UNS C87500 (cast silicon brass), UNS C90500 (cast tin bronze), UNS C87600 (cast silicon brass), UNS C87610 (cast silicon brass), UNS C92300 (cast leaded tin bronze), UNS C92600 (cast leaded tin bronze), UNS C93200 (cast high-leaded tin bronze), UNS C93500 (cast high-leaded tin bronze)

Doplňujúce informácie

1. Scope

1.1 This specification establishes requirements for copper alloy sand castings for valve applications. Nominal compositions of the alloys defined by this specification are shown in Table 1.

Note 1—This specification does not cover Copper Alloy UNS Nos. C83600, C92200, C96200, and C96400. These alloys are also used in valve applications. They are covered by the following specifications:

C83600: B 62

C92200: B 61

C96200: B 369

C96400: B 369

1.2 The castings produced under this specification are used in products which may be manufactured in advance and supplied for sale from stock by the manufacturer.

1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

TABLE 1 Nominal Compositions

Classification	Copper Alloy UNS No.	Commercial Designation	Copper	Tin	Lead	Zinc	Nickel	Iron	Alumi- num	Man- ganese	Sili- con	Bismuth	Selenium
Leaded red brass	C83450		88	2½	2	6½	1	. . .	. . .	. . .	. . .	. . .
	C83800	83-4-6-7 or commercial red brass	83	4	6	7	. . .	. . .	. . .	. . .	. . .	. . .
Leaded semi-red brass	C84400	81-3-7-9 or valve composition	81	3	7	9	. . .	. . .	. . .	. . .	. . .	. . .
	C84800	76-2½-6½-15, or semi-red brass	76	2½	6½	15	. . .	. . .	. . .	. . .	. . .	. . .
Leaded yellow brass	C85200	high-copper yellow brass	72	1	3	24	. . .	. . .	. . .	. . .	. . .	. . .
	C85400	commercial No. 1 yellow brass	67	1	3	29	. . .	. . .	. . .	. . .	. . .	. . .
	C85700	leaded naval brass	61	1	1	37	. . .	. . .	. . .	. . .	. . .	. . .
High-strength yellow brass	C86200	high-strength manganese bronze	63	. . .	. . .	27	. . .	3	4	3	. . .	. . .
	C86300	high-strength manganese bronze	61	. . .	. . .	27	. . .	3	6	3	. . .	. . .
	C86400	leaded manganese bronze	58	1	1	38	. . .	1	½	½	. . .	. . .
	C86500	No. 1 manganese bronze	58	. . .	. . .	39	. . .	1	1	1	. . .	. . .
	C86700	leaded manganese bronze	58	1	1	34	. . .	2	2	2	. . .	. . .
Silicon bronze and silicon	C87300	silicon bronze	95	. . .	. . .	. . .	. . .	. . .	. . .	1	4	. . .
brass	C87400	silicon brass	82	. . .	½	14	. . .	. . .	. . .	. . .	3½	. . .
	C87500	silicon brass	82	. . .	. . .	14	. . .	. . .	. . .	. . .	4	. . .
	C87600	silicon bronze	89	. . .	. . .	6	. . .	. . .	. . .	. . .	5	. . .
	C87610	silicon bronze	92	. . .	. . .	4	. . .	. . .	. . .	. . .	4	. . .
	C89530	Bismuth-Selenium	86.5	4.7		8.0						1.5	.20
	C89535	Bismuth	86.5	3.0		7.0	.65					1.4
Bismuth semi-red brass	C89844	bismuth brass	84½	4	. . .	8	. . .	. . .	. . .	. . .	. . .	3
Tin bronze and leaded tin	C90300	88-8-0-4, or modified “G” bronze	88	8	. . .	4	. . .	. . .	. . .	. . .	. . .	. . .
bronze
	C90500	88-10-0-2, on “G” bronze	88	10	. . .	2	. . .	. . .	. . .	. . .	. . .	. . .
	C92300	87-8-1-4, or Navy PC	87	8	1	4	. . .	. . .	. . .	. . .	. . .	. . .
	C92600	87-10-1-2	87	10	1	2	. . .	. . .	. . .	. . .	. . .	. . .
High-lead tin bronze	C93200	83-7-7-3	83	7	7	3	. . .	. . .	. . .	. . .	. . .	. . .
	C93500	85-5-9-1	85	5	9	1	. . .	. . .	. . .	. . .	. . .	. . .
	C93700	80-10-10	80	10	10	. . .	. . .	. . .	. . .	. . .	. . .	. . .
	C93800	78-7-15	78	7	15	. . .	. . .	. . .	. . .	. . .	. . .	. . .
	C94300	71-5-24	71	5	24	. . .	. . .	. . .	. . .	. . .	. . .	. . .
Nickel-tin bronze and	C94700	nickel-tin bronze grade “A”	88	5	. . .	2	5	. . .	. . .	. . .	. . .	. . .
leaded nickel-tin bronze	C94800	leaded nickel-tin bronze grade “B”	87	5	1	2	5	. . .	. . .	. . .	. . .	. . .
	C94900	leaded nickel-tin bronze grade “C”	80	5	5	5	5	. . .	. . .	. . .	. . .	. . .
Aluminum bronze	C95200	Grade A	88	. . .	. . .	. . .	. . .	3	9	. . .	. . .	. . .
	C95300	Grade B	89	. . .	. . .	. . .	. . .	1	10	. . .	. . .	. . .
	C95400	Grade C	85	. . .	. . .	. . .	. . .	4	11	. . .	. . .	. . .
	C95410		84	. . .	. . .	. . .	2	4	10	. . .	. . .	. . .
Silicon aluminum bronze	C95600	Grade E	91	. . .	. . .	. . .	. . .	. . .	7	. . .	2	. . .
Nickel aluminum bronze	C95500	Grade D	81	. . .	. . .	. . .	4	4	11	. . .	. . .	. . .
	C95800		81.3	. . .	. . .	. . .	4.5	4	9	1.2	. . .	. . .
Leaded nickel bronze	C97300	12 % leaded nickel silver	57	2	9	20	12	. . .	. . .	. . .	. . .	. . .
	C97600	20 % leaded nickel silver	64	4	4	8	20	. . .	. . .	. . .	. . .	. . .
	C97800	25 % leaded nickel silver	66	5	2	2	25	. . .	. . .	. . .	. . .	. . .
Special alloys	C99400		87	. . .	. . .	4.4	3.0	3.0	1.6	. . .	1.0	. . .
	C99500		87	. . .	. . .	1.5	4.5	4.0	1.7	. . .	1.3	. . .

2. Referenced Documents

E10-23	Standard Test Method for Brinell Hardness of Metallic Materials
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
B369-09	Standard Specification for Copper-Nickel Alloy Castings
B61-15(2021)	Standard Specification for Steam or Valve Bronze Castings
B62-17(2025)	Standard Specification for Composition Bronze or Ounce Metal Castings
B208-14(2021)	Standard Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings
B824-17(2025)	Standard Specification for General Requirements for Copper Alloy Castings

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